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Mobile Phone Testing Under Real-World Conditions

Mobile Phone TX/RX Load Pull

Mobile phones must guarantee proper functioning in non-ideal real-world environments, such as a lost or damaged antenna, usage in a tunnel or locker, being held close to the body or in a pocket surrounded by coins, etc. Each of these scenarios can be regarded as non-ideal from

an RF standpoint, meaning non-50 ohm. We are able to use a single tuner to vary the VSWR magnitude and phase seen by the antenna port of the phone and test its performance in transmit and receive mode.

Transmit Load Pull

The goal of load pull in the phone's transmit mode is to measure the output power as a function of VSWR magnitude and phase.

Receive Load Pull

The goal of load pull in RX mode is the sensitivitymeasurement of the phone; at what power level will a user-specified bit-error rate (BER) be achieved, as a function of VSWR magnitude and phase.


Graphical representation of TX results


Graphical representation of RX results

Application Notes and Data Sheets

• 4T-021 Automated Mobile Testing System Software (AMTS)
• 5C-080A Impedence Testing For Mobile Phones

• Maury Application Notes Library Maury Software and System Application Notes.

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